Science News - The Hindu

Representational image via Caltech website.

Scientists use Indian Ocean earthquake data to tell how fast it is warming

By one estimate, the scientists said the ocean could be warming by nearly 70% greater than had been believed.

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The magazine criticised Trump for seeking cutbacks in scientific funding and hobbling the U.S. response to climate change.

In a first, science magazine ‘Scientific American’ endorses a presidential candidate

Known principle: It has been known that that lower inoculums of other viruses, including flu, lead to milder illnesses.

Can universal masking be a crude ‘vaccine’?

R. Prasad Masks decrease risk of infection and if infected decrease the amount of viral particles, leading to only asymptomatic infection or mild disease

Major feat: The cruise vehicle was flown at a hypersonic speed of Mach six for 20 seconds.

Science behind air-breathing scramjet engine

T.S. Subramanian This indigenous engine is the centrepiece of the cruise vehicle flown by DRDO

Editor's Pick

Immune cells: SARS-CoV-2-specific T cells are only now being characterised from COVID-19 patients.

SARS-CoV-2-specific T cell immunity prevents recurrent severe COVID-19 disease

R. Prasad Study shows previously unanticipated degree of population-level immunity against COVID-19

Strategy wise: Countries implementing national social distancing policy showed greater reductions in transmision compared to those with regional policies.

Study finds physical distancing linked to drop in coronavirus spread

PTI Over two weeks, 46 countries prevented an estimated 1.57 million cases

Wild animals in urban clusters

D. Balasubramanian

The COVID-19 effect

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Watch | Kamikatsu: The zero-waste town in Japan

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Scientists use Indian Ocean earthquake data to tell how fast it is warming

Watch | Kamikatsu: The zero-waste town in Japan

Watch | Scientists discover possible sign of life on Venus

Event Hyderabad

Catch this virtual space exhibition

Potential sign of alien life detected on inhospitable Venus

Science behind air-breathing scramjet engine

Low-cost device for deep vein thrombosis

It replicates the normal movement of the muscles to keep the blood flowing

Question Corner | How do shaving blades become dull after repeated use?

Readers may send their questions to questioncorner@thehindu.co.in

Can universal masking be a crude ‘vaccine’?

Masks decrease risk of infection and if infected decrease the amount of viral particles, leading to only asymptomatic infection or mild disease

A keen look at groundbreaking inventions in ICT

Many of these inventions in information and communication technology have occurred in the last 55 years

Story of an asteroid that hit Rajasthan millions of years ago

The resultant craters of such impacts could be sources of hydrocarbon and mineral deposits

Coronavirus | Serum Institute pauses COVID-19 vaccine trials

COVID-19 vaccine trials were stopped globally after a recipient in U.K. showed adverse symptoms

U.S. spacecraft named after late Indian-American astronaut Kalpana Chawla

“Chawla was selected in honour of her prominent place in history as the first woman of Indian descent to go to space,” it said.

Coronavirus: Plasma therapy not beneficial in reducing mortality, shows ICMR study

According to the study, only two randomised controlled trials on convalescent plasma use in COVID-19 have been published, one from China and the other from the Netherlands.

Coronavirus | Scientists alert The Lancet to ‘potential data inconsistencies’ in Russian vaccine trial paper

Questions on the integrity of published data raised in open letter

SpaceX says Starlink internet private beta testing speeds are over 100 Mbps

SpaceX says Starlink can provide high speed, low latency internet in remote areas where connectivity is limited or completely unavailable, including on aeroplanes and ships.

Moon may be rusting along poles, suggest images sent by Chandrayaan-1

Presence of water and oxygen, which the moon is not known to have, is needed to interact with iron to create rust

Electronic skin can sense touch, pain just like human skin

The researchers say that the device is capable of mimicking body’s quick response to things, and can react to painful sensations with the same lighting speed that nerve signals travel to the brain.

Smoking tied to COVID-19 risk

Smoking appears to increase the genetic contribution to COVID-19 infections, a small study suggests. The novel coronavirus enters the body by

Inhaling polluted air can lead to brain damage

Mice exposed to dirty air formed amyloid deposits and tangles in the brains

Question Corner | Do many small birds have big brains?

Many small birds have been noted to have larger relative brain sizes. This help them survive harsh seasonal changes and unpredictable habitats.Using

No correlation between Ct values and COVID-19 severity

Cycle threshold values can depend on how the sample was collected and even the technical competence of the person performing the test

A single person spreads coronavirus to 23 others in a bus ride

Unlock 4 guidelines, by allowing metrorail service, may worsen risk of infections

How African Sahara amplified a drought in Asia

Mineral deposits of caves in Vietnam, point to the end of the Green Sahara

Watch | Is COVID-19 intensifying in rural India?

A video explainer on how rural India is affected as India's COVID-19 cases cross the 4 million marks

Tiny robots that can be controlled by laser light

The robot's circuit is made with silicon solar cell for its body and head, and electrochemical actuators are attached to function as legs. When laser light is flashed on the cells while switching the laser back and forth between the front and back cells, the robot walks.

RT-PCR test kit of Pune firm gets nod for manufacture, sale in India

‘CoViDx One’, a RT-PCR test kit, has received approval from the CDSCO

“It is a whole new world”: scientists detect mysterious black hole

GW190521 weighs in at 142 times the mass of our Sun and is the first “intermediate mass” black hole ever observed.

CSIR labs vary widely in earnings: RTI

Some labs of the Council of Scientific and Industrial Research (CSIR) -India’s premier laboratory research network, have earned no money from

Coronavirus | Preparations on for second phase of human clinical trial of COVID-19 vaccine

The IMS and SUM Hospital is one of the 12 medical centres in the country chosen by the ICMR for conducting the human trial of the vaccine developed by Bharat Biotech

India, France in discussion for Mission Alpha-like equipment for Gaganyaan astronauts

Space agencies of the two countries are also collaborating on nearly ₹10,000 crore Gaganyaan mission that aims to send three Indians to space by 2022

Watch | COVID-19 and children

A video explainer on how SARS-CoV-2 directly and indirectly impacts children around the world

Lessons from the changing Antarctic Ocean floor

Using seismic profile data from across 40 years and over 150 expeditions, the team reconstructed the past

The use and re-use of N95 masks

A collaboration of Mumbai-based organisations has spawned a workable solution

Flying high against all odds

How do birds migrate in unfavourable winds?Bird migration has always fascinated scientists, and the behaviour of billions of migratory birds has been

Pre-existing memory T cells may only reduce COVID-19 severity, do not prevent infection

The immune cells may mount a faster and stronger response upon exposure to the SARS-CoV-2 virus

Second case of confirmed coronavirus reinfection reported

The second infection led to severe symptoms, including hypoxia, breathlessness

Acronyms and abbreviations in scientific publications

When writing papers, using multiple acronyms can hinder understanding

Elon Musk's Neuralink puts computer chips in animal brains

Neuroscientists unaffiliated with the company said the presentation indicated that Neuralink had made great strides but cautioned that longer studies were needed.

Coronavirus | Different kinds of SARS-CoV-2 exist in India but none more lethal than the other: Indian Academy of Sciences President

Dr. Partha Majumder, in an interview with The Hindu’s Jacob Koshy, explains mutations in the novel coronavirus

Indian scientists find N95 masks to be most effective at stopping COVID-19 spread

The N95 masks reduced a cough’s initial velocity by up to a factor of 10, and limit its spread to between 0.1 and 0.25 meters, the researchers said.

Cambridge University kicks off vaccine race to fight all coronaviruses

Laboratory of Viral Zoonotics’ team have developed libraries of computer-generated antigen structures encoded by synthetic genes.

Coronavirus | Oxford COVID vaccine data could go before regulators this year: Director

The Oxford vaccine showed early promise in the first human trial when it produced an immune response

Watch | What causes body odour?

A video on why the armpits produce a pungent smell while encountering sweat

India’s ASTROSAT makes rare discovery

The multi- wavelength satellite, has detected an extreme ultraviolet (UV) light from a galaxy which is 9.3 billion light-years away from Earth

Experts question FDA nod for emergency use of plasma therapy

Authorisation based only on observational study of 35,322 patients

Coronavirus infected children have more virus during early infection phase than hospitalised adults

One of the hypotheses why children have reduced risk of infection compared with adults is due to reduced expression of ACE2 receptors where the virus binds

IIT Madras researchers discover new material to split hydrogen and water using solar power

The research is expected to bring the conversion and storage part in a single system, which would reduce the cost per kWh of solar energy, a press release said

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Army trucks move towards LAC in eastern Ladakh, amid the prolonged India-China standoff. File

27K | LAC standoff | 10 patrolling points in eastern Ladakh blocked by Chinese People’s Liberation Army, says senior official

14K | Architect of Train18 shifted to less prominent post

Army jawans stand guard near the encounter site in Amshipora area of Shopian on July 18, 2020.

13K | AFSPA mandate exceeded in Shopian encounter: Army probe

12K | Explainer | Why are the Agriculture Bills being opposed

Mosaraf Hossen, one of the nine suspected Al-Qaeda operatives arrested by NIA.

10K | NIA arrests nine suspected Al-Qaeda operatives in Kerala, West Bengal

9K | Cartoonscape — September 18, 2020

A scene from the Lok Sabha as the supplementary demand for grants, 2020-21, is discussed.

9K | Parliament proceedings | September 18, 2020

Former Punjab Chief Minister Parkash Singh Badal | File

9K | Shiromani Akali Dal begins its consultation on future with NDA

Tinderbox: India has said that Pakistan has no locus standi on territories illegally and forcibly occupied by it.

8K | Pakistan to make Gilgit-Baltistan a full-fledged province: report